A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Marking of articles made wholly or in part of platinum
Standard covers marking of articles offered for sale in United States; definitions; trade mark; quality; contents; abbreviations; labelling. (5¢)
Marking of articles made wholly or in part of platinum
Standard covers marking of articles offered for sale in United States; definitions; trade mark; quality; contents; abbreviations; labelling. (5¢)
Marking of articles made wholly or in part of platinum
U S Nat Bur Standards -- Commercial Standard
1938
12 pages
Standard
English
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